Exhalation valve

Details Exhalation valve Exhalation valve

1988-05-02

1989-06-13

Wiecking, David A.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820712, 137854, A67B 1802

Patent

active

048382620

ABSTRACT:
An exhalation valve decreases the exhalation pressure resistance through a valve by causing the moment of inertia of a flapper valve to be reduced along an axis by flattening out the curved edges of the umbrella-shaped flapper valve, thereby enabling greater ease in bending of the flapper valve.

REFERENCES:
patent: 1867478 (1932-07-01), Stelzner
patent: 3354903 (1967-11-01), Caruso
patent: 3473561 (1969-10-01), Svenson et al.
patent: 3799427 (1974-03-01), Goglio
patent: 3990439 (1976-11-01), Klinger
patent: 4610246 (1986-09-01), Delphia

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